Online ISSN: 2187-2988 Print ISSN: 0911-1794
特定非営利活動法人日本小児循環器学会 Japanese Society of Pediatric Cardiology and Cardiac Surgery
Pediatric Cardiology and Cardiac Surgery 32(1): 31-37 (2016)


最近10年間における当院での胎児心エコー診断の変化Change in Fetal Echocardiography at Our Institution between 2004 and 2013

大阪府立母子保健総合医療センター小児循環器科Department of Pediatric Cardiology, 
Osaka Medical Center and Research Institute for Maternal and Child Health ◇ Osaka, Japan

受付日:2015年7月5日Received: July 5, 2015
受理日:2015年11月26日Accepted: November 26, 2015
発行日:2016年1月1日Published: January 1, 2016






Background: In recent years, greater use of fetal echocardiography has resulted in an increased number of patients diagnosed with fetal congenital heart disease (CHD). Moreover, contextual factors relating to diagnosis are changing in Japan.

Purpose: To summarize a trend in recent fetal echocardiography in our institution and develop ways to improve it.

Methods: We retrospectively studied 687 cases diagnosed with CHD between 2004 and 2013, dividing them into the following two groups: Group A (2004–2008) with 241 cases and Group B (2009–2013) with 446 cases. We retrospectively evaluated various patient factors between the two groups.

Results: The prevalence rate of fetal CHD at our institution was 29.1% for Group A and 49.0% for Group B (p<0.01). The number of CHD cases prenatally diagnosed before 22 gestational weeks significantly increased from 36 cases (14.9%) in Group A to 91 cases (20.4%) in Group B (p<0.05). Reasons for referral were as follows: suspected CHD, congenital anomaly, and fetal growth restriction with no significant difference between the two groups. The number of non-severe CHD cases significantly increased from 101 cases (41.9%) in Group A to 235 cases (52.7%) in Group B (p<0.01). There was no significant difference in morbidity between the two groups during the fetal period and after birth.

Conclusion: The number of fetuses diagnosed with CHD increased, particularly those that were less than 22 gestational weeks. Adequate counseling and support should be provided for mothers whose fetus is diagnosed with CHD prior to 22 gestational weeks. In addition, due to the increased number of diagnoses, greater cooperation between delivery hospitals would be beneficial.

Key words: fetal echocardiography; congenital heart disease; prenatal diagnosis; prognosis; prenatal counseling

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